Influenza A H1N1 (A/California/07/2009) Hemagglutinin / HA Protein (His Tag)
Cat. 11085-V08B — recombinant haemagglutinin, >95% pure by SDS-PAGE, endotoxin <1.0 EU/µg.
Global Partner
Sino Biological
A one-stop reagent and CRO service provider, developing specialized, high-quality bioreagents, including proteins, antibodies, genes, and ELISA kits to support your research.
Sino Biological produces and sells more than 6,000 recombinant proteins, 3,800 of which can be expressed via human cells most closely resembling the proteins' natural environment. Sino Biological can also provide 12,000 different antibodies, including 4,600 monoclonal antibodies.
Featured Products
SARS-CoV-2 (2019-nCoV) Spike S1+S2 ECD-His Recombinant Protein
Cat. 40589-V08B1 — full spike ectodomain, >90% pure by SDS-PAGE, for immunoassays and vaccine research.
Influenza A H1N1 Hemagglutinin / HA Trimer Protein (His Tag)
Cat. 40787-V08H2 — trimeric influenza A H1N1 haemagglutinin with His tag.
Recombinant Human Her2/ERBB2 Protein (ECD, His Tag)
Cat. 10004-H08H — extracellular domain of human HER2/ERBB2 with His tag.
Recombinant Human TROP-2 Protein (ECD, His Tag), Endotoxin-Free
Cat. 10428-H08H-UE — endotoxin-free extracellular domain of human TROP-2 with His tag.
Recombinant Human RANKL/TNFSF11 Protein, MALS-verified
Cat. 11682-HNCH — human RANKL/TNFSF11, oligomeric state verified by SEC-MALS.
What We Supply
Popular Products
Featured Products
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Recombinant Human FCGRT & B2M Heterodimer Protein (His Tag) Influenza A H1N1 Hemagglutinin / HA Trimer Protein (His Tag) Recombinant Anti-c-MET/HGFR Antibody, Rabbit Monoclonal Recombinant Human Her2/ERBB2 Protein (ECD, His Tag) Recombinant Human Galectin-1/LGALS1 Protein Recombinant Human RANKL/TNFSF11 Protein, MALS-verified SARS-CoV-2 Spike S1+S2 ECD-His Recombinant Protein Recombinant Human B7-2/CD86 Protein (His Tag)
Explore
Popular Research Areas
Popular Research Areas
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01
Immune Checkpoints
02
CAR-T Cell Therapy
03
Cancer Immunotherapy
04
Influenza Viruses
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Cytokines & Growth Factors
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CD Antigens
About the Partner
More About Sino Biological
Dedicated to virology and infectious disease research, Sino Biological established the ProVir® collection, the world's largest viral antigen bank. ProVir® carries over 1,000 products from 350 strains of viruses.
World's Largest Viral Antigen Bank
The ProVir® viral antigen bank includes over 1,000 antigens from 90 virus types/subtypes and 350 strains.
CAR–T / NK Reagents
Comprehensive solutions for CAR-NK cell therapy development.
Cytokine and Growth Factor Solutions
High-quality reagents for drug development and clinical research.
First SARS-CoV-2 Reagents
The industry's first to produce and supply SARS-CoV-2 viral protein reagents.
Custom Services
Services Offered
Hybridoma Development PlatformAffinity of mouse mAbs can reach picomolar level; positive clones available as fast as 60 days; success rate >90%Explore Chimeric Antibody Production ServiceVariable regions from multi-species: Human, mouse, rat, canine, rhesus, chicken, rabbit, camel, and moreExplore Antibody Fragment Production ServicesDiverse fragment formats: scFv, Fab, VHH, antibody-fusion proteins, and moreExplore
“One-stop” CRO Service
Sino Biological is a global provider of “One-stop” CRO service to the pharmaceutical, biotechnology, diagnostic industries and academic research institutions.
Beacon® Single B Cell Discovery PlatformObtain positive clones within 35 days at the earliest; 99.5% monoclonality rate can be reachedExplore Recombinant Protein Expression ServicesFrom gene synthesis to protein characterization; flexible production scales ranging from µg to kgExplore Recombinant Antibody Expression Services>99% success rate; large-scale production at gram level; high-throughput projects of 1,000 per batchExplore Bispecific Antibody Production ServiceStarting from antibody sequences, 20+ bsAb formats can be produced with >90% of overall success ratesExplore
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PDFCD8 Flyer
PDFIL6 Flyer
PDFIL-beta Flyer
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PDFCytokines for Stem Cell Culture
PDFDrug Targets Proteins Overview
PDFVirus Research Tools
PDFTherapeutic NK Targets Flyer
PDFRSV Research Flyer
PDFProVir Antigen Line Flyer
PDFInfluenza Research Flyer
PDFNeutralizing Antibodies Flyer
PDFFc Receptor Protein Flyer
PDFCytokines Overview Flyer
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PDFCAR-T Catalog 
FAQ
Frequently Asked Questions
What types of recombinant proteins and antibodies does Sino Biological provide for Indian researchers?
Sino Biological offers one of the world's largest portfolios of recombinant proteins, monoclonal/polyclonal antibodies, ELISA kits, and assay reagents.
Are Sino Biological antibodies validated for ELISA, WB, and flow cytometry applications?
Yes. Each antibody is validated across multiple applications, and datasheets list recommended dilutions and validation data.
How do I request bulk or custom-sized vials from Sino Biological in India?
Simply contact Krishgen Biosystems with your requirements. We coordinate with Sino Biological to arrange bulk or custom packaging.
What is the typical lead time for Sino Biological products ordered through Krishgen?
In-stock items usually ship within 2–3 weeks; custom or bulk orders may take 4–5 weeks depending on product availability.
How are Sino Biological products shipped to India?
Most proteins and antibodies are shipped on dry ice or cold packs to maintain stability. Storage conditions (–20 °C, 2–8 °C, or ambient) are indicated on each datasheet.